Xeon Platinum 8558 vs Phi 7285

Primary details

Comparing Xeon Phi 7285 and Xeon Platinum 8558 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Phi	no data
Architecture codename	Knights Mill (2017)	Emerald Rapids (2023)
Release date	1 December 2017 (6 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$4,650

Detailed specifications

Xeon Phi 7285 and Xeon Platinum 8558 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	68 (Octahexaconta-Core)	48 (Octatetraconta-Core)
Threads	272	96
Base clock speed	1.3 GHz	2.1 GHz
Boost clock speed	1.4 GHz	4 GHz
Multiplier	15	no data
L1 cache	32K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB (shared)	260 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum core temperature	72 °C	no data
Maximum case temperature (TCase)	no data	78 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
VID voltage range	0.550-1.2V	no data

Compatibility

Information on Xeon Phi 7285 and Xeon Platinum 8558 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	2
Socket	SVLCLGA3647	FCLGA4677
Power consumption (TDP)	250 Watt	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Phi 7285 and Xeon Platinum 8558. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Deep Learning Boost	-	+

Security technologies

Xeon Phi 7285 and Xeon Platinum 8558 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
SGX	-	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Phi 7285 and Xeon Platinum 8558 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Phi 7285 and Xeon Platinum 8558. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR5 @ 5200 MT/s (1 DPC)
Maximum memory size	384 GB	4 TB
Max memory channels	6	8
Maximum memory bandwidth	115.212 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Phi 7285 and Xeon Platinum 8558.

PCIe version	3.0	5.0
PCI Express lanes	36	80

Pros & cons summary

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Recency	1 December 2017	14 December 2023
Physical cores	68	48
Threads	272	96
Power consumption (TDP)	250 Watt	330 Watt

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